Merge "RoutingSessionInfo: Modify toString() so that it can print uniqueId"...

    public String toString() {

        StringBuilder result = new StringBuilder()

                .append("RoutingSessionInfo{ ")

                .append("sessionId=").append(mId)

                .append(", name=").append(mName)

                .append("sessionId=").append(getId())

                .append(", name=").append(getName())

                .append(", selectedRoutes={")

                .append(String.join(",", mSelectedRoutes))

                .append(String.join(",", getSelectedRoutes()))

                .append("}")

                .append(", selectableRoutes={")

                .append(String.join(",", mSelectableRoutes))

                .append(String.join(",", getSelectableRoutes()))

                .append("}")

                .append(", deselectableRoutes={")

                .append(String.join(",", mDeselectableRoutes))

                .append(String.join(",", getDeselectableRoutes()))

                .append("}")

                .append(", transferableRoutes={")

                .append(String.join(",", mTransferableRoutes))

                .append(String.join(",", getTransferableRoutes()))

                .append("}")

                .append(", volumeHandling=").append(getVolumeHandling())

                .append(", volumeMax=").append(getVolumeMax())